Files
avo/examples/complex/asm.go
Michael McLoughlin 9c70781236 all: go 1.17 (#197)
Bump CI Go versions to 1.16 and 1.17.
Update build tags with `go:build` equivalents.
Upgrade asmfmt tool for new `go:build` support.

Updates #183
2021-10-29 01:18:34 -07:00

35 lines
726 B
Go

//go:build ignore
// +build ignore
package main
import . "github.com/mmcloughlin/avo/build"
func main() {
TEXT("Real", NOSPLIT, "func(z complex128) float64")
Doc("Real returns the real part of z.")
r := Load(Param("z").Real(), XMM())
Store(r, ReturnIndex(0))
RET()
TEXT("Imag", NOSPLIT, "func(z complex128) float64")
Doc("Imag returns the imaginary part of z.")
i := Load(Param("z").Imag(), XMM())
Store(i, ReturnIndex(0))
RET()
TEXT("Norm", NOSPLIT, "func(z complex128) float64")
Doc("Norm returns the complex norm of z.")
r = Load(Param("z").Real(), XMM())
i = Load(Param("z").Imag(), XMM())
MULSD(r, r)
MULSD(i, i)
ADDSD(i, r)
n := XMM()
SQRTSD(r, n)
Store(n, ReturnIndex(0))
RET()
Generate()
}